Attentions
Max. working temperature in the air is 900°C
The crucible shall be stored in the dry environment inside a sealed container
Never wash the crucible with water. Use fine sandpaper or cloth to remove any dirts or residues
Not suitable for the use with Sb2O3, chromium oxide, molybdenum trioxide, arsenic trioxide, titanium carbide, high lead glass glaze, boron phosphate, potassium phosphate, chlorine.